prices went up so fast last week that governor jerry brown called the situation an emergency. fuel industry analyst david hack et says the pain at the pump will fade quickly. >> retail prices went up about 56 cents a gallon last week. record-setting levels. and a record rate of increase. i predict that retail prices will come off as fast as they went up. and so by -- within a week, they'll be back down to levels that we saw -- let's call it monday a week ago. >> wholesale gas prices are falling around the country because more gas is becoming available. >>> two years ago, an american named david hartley disappeared while jet skiing on a lake along the texas-mexico border. this morning, a high ranking member of a mexican drug cartel is accused of killing him. >> reporter: salvador alfonso martinez escobedo, also known as "the squirrel," is a leader of the notorious zetas drug cartel, now under arrest for multiple crimes, including the murder of david. two years after her husband's death, tiffany young-hartley is still looking for answers. >> today obviously came a shock. what is